Cursor is a database object used by applications to manipulate data in a set on a row-by-row basis, instead of the typical SQL commands that operate on all the rows in the set at one time.In order to work with a cursor we need to perform some steps in the following order:. Declare cursor. Open cursor. Fetch row from the cursor. Process fetched row. Close cursor. Deallocate cursor

Cursor plays there row quite nicely but although there are some disadvantage of Cursor .Because cursor doing roundtrip it will make network line busy and also make time consuming methods. First of all select query gernate output and after that cursor goes one by one so roundtrip happen.

Another disadvange of cursor are ther are too costly because they require lot of resources and temporary storage so network is quite busy. (More...)

A cursor is used to access the result set stored in the memory on execution of a query. It is a special programming construct that allows data to be manipulated on a row-by-row basis. They point to a certain location within a record set and allow the operator to move forward (and sometimes backward, depending upon the cursor type) through the results one record at a time (More...)

Cursor is a database object used by applications to manipulate data in a set on a row-by-row basis, instead of the typical SQL commands that operate on all the rows in the set at one time. For example, you can use cursor to include a list of all user databases and make multiple operations against each database by passing each database name as a variable (More...)

Cursor plays there row quite nicely but although there are some disadvantage of Cursor .Because we know cursor doing roundtrip it will make network line busy and also make time consuming methods. First of all select query gernate output and after that cursor goes one by one so roundtrip happen.Another disadvange of cursor are ther are too costly because they require lot of resources and temporary storage so network is quite busy. (More...)

Cursor is a database object used by applications to manipulate data in a set on a row-by-row basis, instead of the typical SQL commands that operate on all the rows in the set at one time.In order to work with a cursor we need to perform some steps in the following order:. Declare cursor. Open cursor. Fetch row from the cursor. Process fetched row. Close cursor. Deallocate cursor (More...)

DYNAMIC: It reflects changes happened on the table while scrolling through the row.STATIC: It works on snapshot of record set and disconnects from the server. This kind doesn't reflects changes happened on the table while scrolling through the row.KEYSET: In this kind, new record is not reflected, but data modification can be seen (More...)

A cursor is used to access the result set stored in the memory on execution of a query. It is a special programming construct that allows data to be manipulated on a row-by-row basis. They point to a certain location within a record set and allow the operator to move forward (and sometimes backward, depending upon the cursor type) through the results one record at a time. (More...)

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